what force would be needed to make a to kg bowling ball accelerate down the allyway with an acceleration of 3 m/s^2

What is the difference between bacterial infections and viral infections?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids